C Language Interview Questions Test 4
This Test will cover complete C with very important questions, starting off from basics to advanced level.
Q. The following program,
if(a > b)
if(c > b)
printf("one");
else if(c == a)
printf("two");
else
printf("three");
else
printf("four");
Q. The following program fragment outputs an integer that is same as?
int x = 4, y = x, i;
for(i=1; i<4; ++i)
x += x;
printf("%d", x);
Q. Output of the following program fragment will be same as that of?
static char hello[] = "hello";
printf("%s\n", hello);
Q. The following program fragment __________.
int x[5][5], i, j;
for(i = 0; i < 5; ++i)
for(j=0; j < 5; j++)
x[i][j] = x[j][i];
Q. The following program fragment __________.
int m, n, b = m = n = 8;
char wer[80];
sprintf(wer, "%d%d%d", m, n, b);
puts(wer);
Q. If n has the value 3, then the statement a[++n] = n++; will __________.
Q. In the following program, If Madam is the required output then the body of first() must be.
main()
{
putchar('M');
first();
putchar('m');
}
first()
{
__________
}
second()
{
putchar('d');
}
Q. max is a function that returns the larger of the two integers, given as arguments. Which of the following statements finds the largest of three given numbers?
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Q. What is the output of the following program?
main()
{
int a = 4;
change(a);
printf("%d", a);
}
change(a)
{
printf("%d", ++a);
}
Q. The following program __________.
main()
{
int i = 2;
{
int i = 4, j = 5;
printf("%d%d", i, j);
}
printf("%d%d", i, j);
}
Q. The output of the following program is __________.
main()
{
static int x[] = {1, 2, 3, 4, 5, 6, 7, 8};
int i;
for(i=2; i < 6; ++i)
x[x[i]] = x[i];
for(i=0; i < 8; ++i)
printf("%d", x[i]);
}
Q. The following program statements __________.
main()
{
int a = 5, b = 2;
printf("%d", a+++b);
}
Q. The following program statements __________.
main()
{
int abc();
abc();
(*abc) ();
}
int abc()
{
printf("come");
}
Q. In the following program. If abcdefg is the input, the output will be?
main()
{
char x[10], *ptr = x;
scanf("%s", x);
// calling change function
change(&x[4]);
}
change(char a[])
{
puts(a);
}
Q. In the previous question for the function calls, change(x); and change(ptr);. Which of the below statements is true?
